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main.go
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main.go
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package main
import (
"fmt"
"log"
"os"
"os/signal"
"syscall"
"github.com/mrechtien/mixgo/base"
"github.com/mrechtien/mixgo/config"
"github.com/mrechtien/mixgo/input"
_ "github.com/mrechtien/mixgo/qu"
_ "github.com/mrechtien/mixgo/xr"
"gitlab.com/gomidi/midi/v2"
)
func midiToKey(ch uint8, status uint8) string {
return fmt.Sprintf("%02X%02X", ch, status)
}
func main() {
var cfg config.Config
if len(os.Args) == 2 {
configPath := os.Args[1]
cfg = config.ReadConfig(configPath)
}
// setup mixer
mixer := *base.CreateMixer(cfg.Output.Name, cfg.Output.Ip, cfg.Output.Port)
// create callbacks for trigger mapping
callbacks := map[string]interface{}{}
for _, mapping := range cfg.Mappings {
key := midiToKey(cfg.Input.Channel, mapping.CC)
switch mapping.Name {
case base.MUTE_GROUP:
muteGroup := *mixer.NewMuteGroup(mapping.Target)
callbacks[key] = func(ch uint8, status uint8, val uint8) {
muteGroup.Toggle(val == mapping.ValueOn)
}
case base.TAP_DELAY:
tapDelay := *mixer.NewTapDelay(mapping.Target)
callbacks[key] = func(ch uint8, status uint8, val uint8) {
tapDelay.Trigger()
}
default:
log.Fatalln("Invalid mapping name in config: ", mapping.Name)
}
}
// setup midi & input handling / callback
stop := input.SetupAndHandleMidi(&cfg, func(ch, status, val byte) {
key := midiToKey(ch, status)
callback := callbacks[key]
if callback == nil {
log.Printf("Unmapped MIDI control change: %+v\n", midi.ControlChange(ch, status, val))
return
}
callback.(func(ch, status, val byte))(ch, status, val)
})
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, os.Interrupt, syscall.SIGTERM)
log.Println("MixGo is up and running!")
signal := <-signalChan
log.Printf("Exitting on signal: %d\n", signal)
stop()
midi.CloseDriver()
log.Println("Done.")
}